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Disclosing intrinsic molecular dynamics on the 1-fs scale through extreme-ultraviolet pump-probe measurements

P. A. Carpeggiani, P. Tzallas, A. Palacios, D. Gray, F. Martín, and D. Charalambidis
Phys. Rev. A 89, 023420 – Published 18 February 2014

Abstract

Through frequency up-conversion of polarization-shaped, femtosecond laser pulses nonlinearly interacting with xenon atoms, energetic, broadband, coherent, XUV continuum radiation is generated. By exploiting the thus-formed short-duration XUV pulses, all the optically allowed excited states of H2 are coherently populated. Nuclear and electronic 1-fs-scale dynamics are subsequently investigated by means of XUV-pump–XUV-probe measurements, which are compared to the results of ab initio calculations. The revealed dynamics reflects the intrinsic molecular behavior, as the XUV probe pulse hardly distorts the molecular potential.

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  • Received 17 December 2013

DOI:https://doi.org/10.1103/PhysRevA.89.023420

©2014 American Physical Society

Authors & Affiliations

P. A. Carpeggiani1,2, P. Tzallas1,*, A. Palacios3, D. Gray1, F. Martín3,4, and D. Charalambidis1,2

  • 1Foundation for Research and Technology–Hellas, Institute of Electronic Structure and Lasers, P.O. Box 1527, GR-711 10 Heraklion, Crete, Greece
  • 2Department of Physics, University of Crete, P.O. Box 2208, GR71003 Heraklion, Crete, Greece
  • 3Departamento de Química, Módulo 13, Universidad Autónoma de Madrid, 28049 Madrid, Spain
  • 4Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nanociencia), Cantoblanco, 28049 Madrid, Spain

  • *ptzallas@iesl.forth.gr

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Vol. 89, Iss. 2 — February 2014

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